Some updates

Author: Hailgrim

index.html

@@ -75,16 +75,17 @@
  <script>
  function encrypt() {
  const text = document.querySelector('#decrypted')?.value;
+
  if (!text) {
  alert('Please, enter the encryption text!');
  return;
  }
 
- const result = document.querySelector('#encrypted');
  let cursor = 0;
  let output = '';
-
+ const result = document.querySelector('#encrypted');
  const key = prompt('Enter the encryption key:', '');
+
  if (result && key) {
  for (let i = 0; i < text.length; i++) {
  if (cursor > (key.length - 1)) cursor = 0;
@@ -100,15 +101,17 @@
  }
  function decrypt() {
  const text = document.querySelector('#encrypted')?.value.split(' ');
+
  if (!text) {
  alert('Please, enter the encrypted text!');
  return;
  }
 
- const result = document.querySelector('#decrypted');
  let cursor = 0;
  let output = '';
+ const result = document.querySelector('#decrypted');
  const key = prompt('Enter the decryption key:', '');
+
  if (result && key) {
  for (let i = 0; i < text.length; i++) {
  if (cursor > (key.length - 1)) { cursor = 0; }